Electro-adsorber, device and extraction method for in-situ extraction of salt lake cesium ions

The invention discloses an electro-adsorber for in-situ extraction of salt lake cesium ions. The electro-adsorber comprises a box body, an electro-adsorption unit, a water inlet and a water outlet, the electro-adsorption unit comprises an adsorption electrode, a metal electrode and an adsorption space formed between the adsorption electrode and the metal electrode, the adsorption electrode and the metal electrode are of a plate-shaped structure arranged in parallel, and the adsorption electrode and the metal electrode are insulated; the material of the adsorption electrode is Na2Ti3O7; the metal electrode is an inert electrode. The invention further discloses a device for extracting the cesium ions in the salt lake in situ. The device comprises an electric adsorber, a raw water tank, a regenerated water tank, a desorption water tank and a cesium-rich water tank, the invention also discloses a method for extracting cesium ions by using the device. The method has the advantages that in-situ ...